Improvement in machine for turning the edges of sheet-metal



waited tstet @that entre.

JAMES GLOBER. OF OMAHA CITY, NEBRASKA.

Letters Patent No. 93,705, dated Agust 17,1869.

IMPROVEMENT IN MACHINE FOR TURNING THE EDG-ES OF SHEET-METAL.

The-Schedule referred to in these Letters `Patent and making part of thesame.

Be it known that I, JAMES GLOBER, of Omaha City, Douglas county,Nebraska, have invented a new and useful Machine for Turning the Edge'ofSheetMetaI; and I do hereby declare the following to be a full, clear,and exact description of the same,

reference being had to tbe annexed drawings, making a part of thisspecification, in which- Figure 1 is a plane view on the top;

Figure 2, a front elevation of tlie'same; and

Figure 3, a perspective View of a piece of sheetmetal with the edgesturned,

This machine is used for the purpose of turning up the edges ofsheet-metal, as shown iu fig. 3, and used more particularly in theconstruction of tin-roofing.

It consists of a frame, a, which may be either of 1t will be seen thatby starting the sheet with either' edge in the grooved rollers, and thenpushing the ma- 4chine forward by means of the handle' t, the edgeswill,

lin the rst instance, run up against the side of the two conical rollersbetween them and the twol wheels b, which partially turn up`the edges ofthe metal sheet, and is completed `by passing on so the partiallyturnedlup edge will pass through between the rollers 1 and 2, and 3 andv4, and leaves4 the 'metal iu the shape shown in fig. 3, with `both edgesturned up.

The rollers 1 and 4 are furnished with movable boxes, m, and athumb-screw, n, so the rollers may be set nearer together or widerapart, as desired, to en ablel the cross-seams, in the case oftin-rooting, tohpass through.

The machine is intended more particularly to turn up the edges of tinsheets after they have been joined together in. a long strip forroofing, so that two long Astrips lying together' may he seamed forsoldering, and

may be used either on a roof or in the shop.`

Having thus described my invention, v What I claim as new, and desire tosecure by Letters Patent, is as follows:

l claim -the frame a, wheels b c, conical rollers l d, grooved rollers ee, handle i, rollers 1, 2, 3, 4, (the rollers l and 4 being adjustableby means of the movable boxes m 011,) and thumb-screws n n, allconstructed and arranged to loperate as and for the purposes set forth.f

JAMES eLoBEn.

Witnesses:

Taos. H. HUTCHINS, i H. Lown.

